1 files changed, 37 insertions, 33 deletions

diff --git a/builtin-init-db.c b/builtin-init-db.c
index b7f708de1f..dd84caecbc 100644
--- a/builtin-init-db.c
+++ b/builtin-init-db.c
@@ -6,6 +6,7 @@
 #include "cache.h"
 #include "builtin.h"
 #include "exec_cmd.h"
+#include "parse-options.h"
 
 #ifndef DEFAULT_GIT_TEMPLATE_DIR
 #define DEFAULT_GIT_TEMPLATE_DIR "/usr/share/git-core/templates"
@@ -370,8 +371,16 @@ static int guess_repository_type(const char *git_dir)
 	return 1;
 }
 
-static const char init_db_usage[] =
-"git init [-q | --quiet] [--bare] [--template=<template-directory>] [--shared[=<permissions>]] [directory]";
+static int shared_callback(const struct option *opt, const char *arg, int unset)
+{
+	*((int *) opt->value) = (arg) ? git_config_perm("arg", arg) : PERM_GROUP;
+	return 0;
+}
+
+static const char *const init_db_usage[] = {
+	"git init [-q | --quiet] [--bare] [--template=<template-directory>] [--shared[=<permissions>]] [directory]",
+	NULL
+};
 
 /*
  * If you want to, you can share the DB area with any number of branches.
@@ -384,31 +393,25 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
 	const char *git_dir;
 	const char *template_dir = NULL;
 	unsigned int flags = 0;
-	int bare_given = 0;
-	int i;
-
-	for (i = 1; i < argc; i++, argv++) {
-		const char *arg = argv[1];
-		if (!prefixcmp(arg, "--template="))
-			template_dir = arg+11;
-		else if (!strcmp(arg, "--bare"))
-			bare_given = is_bare_repository_cfg = 1;
-		else if (!strcmp(arg, "--shared"))
-			init_shared_repository = PERM_GROUP;
-		else if (!prefixcmp(arg, "--shared="))
-			init_shared_repository = git_config_perm("arg", arg+9);
-		else if (!strcmp(arg, "-q") || !strcmp(arg, "--quiet"))
-			flags |= INIT_DB_QUIET;
-		else if (arg[0] == '-')
-			usage(init_db_usage);
-		else
-			break;
-	}
-
-	if (i == argc - 1) {
+	const struct option init_db_options[] = {
+		OPT_STRING(0, "template", &template_dir, "template-directory",
+				"provide the directory from which templates will be used"),
+		OPT_SET_INT(0, "bare", &is_bare_repository_cfg,
+				"create a bare repository", 1),
+		{ OPTION_CALLBACK, 0, "shared", &init_shared_repository,
+			"permissions",
+			"specify that the git repository is to be shared amongst several users",
+			PARSE_OPT_OPTARG | PARSE_OPT_NONEG, shared_callback, 0},
+		OPT_BIT('q', "quiet", &flags, "be quiet", INIT_DB_QUIET),
+		OPT_END()
+	};
+
+	argc = parse_options(argc, argv, prefix, init_db_options, init_db_usage, 0);
+
+	if (argc == 1) {
 		int mkdir_tried = 0;
 	retry:
-		if (chdir(argv[1]) < 0) {
+		if (chdir(argv[0]) < 0) {
 			if (!mkdir_tried) {
 				int saved;
 				/*
@@ -418,33 +421,34 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
 				 */
 				saved = shared_repository;
 				shared_repository = 0;
-				switch (safe_create_leading_directories_const(argv[1])) {
+				switch (safe_create_leading_directories_const(argv[0])) {
 				case -3:
 					errno = EEXIST;
 					/* fallthru */
 				case -1:
-					die_errno("cannot mkdir %s", argv[1]);
+					die_errno("cannot mkdir %s", argv[0]);
 					break;
 				default:
 					break;
 				}
 				shared_repository = saved;
-				if (mkdir(argv[1], 0777) < 0)
-					die_errno("cannot mkdir %s", argv[1]);
+				if (mkdir(argv[0], 0777) < 0)
+					die_errno("cannot mkdir %s", argv[0]);
 				mkdir_tried = 1;
 				goto retry;
 			}
-			die_errno("cannot chdir to %s", argv[1]);
+			die_errno("cannot chdir to %s", argv[0]);
 		}
-	} else if (i < argc - 1) {
-		usage(init_db_usage);
+	} else if (0 < argc) {
+		usage(init_db_usage[0]);
 	}
-	if (bare_given == 1) {
+	if (is_bare_repository_cfg == 1) {
 		static char git_dir[PATH_MAX+1];
 
 		setenv(GIT_DIR_ENVIRONMENT,
 			getcwd(git_dir, sizeof(git_dir)), 0);
 	}
+
 	if (init_shared_repository != -1)
 		shared_repository = init_shared_repository;